681860090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{675109}}^1$

素因数の和:675217

約数の個数: 16

約数和(自身を含む): 1239501960

約数和(自身を除く): 557641870

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 675109, 1350218, 3375545, 6751090, 68186009, 136372018, 340930045, 681860090]

約数ペア:

[(1, 681860090), (2, 340930045), (5, 136372018), (10, 68186009), (101, 6751090), (202, 3375545), (505, 1350218), (1010, 675109)]